Mass Effect 3's next batch of single-player DLC isn't just any old carved up chunk of side story gristle. It is, according to BioWare, the biggest yet, which sends 'Leviathan' ' asynonym for the very concept of largeness (and perhaps also in-charge-ness) ' tearfully packing to second place. Titled 'Omega,' the new add-on comes bearing an elaborate tale in which you team up with ousted Omega ruler/master space-club-couch-lounger Aria T'loak in an effort to reclaim her old haunt. It also carries a price tag to match.